20202432212 has 12 divisors (see below), whose sum is σ = 35508643380. Its totient is φ = 10057105536.

The previous prime is 20202432199. The next prime is 20202432241. The reversal of 20202432212 is 21223420202.

It can be written as a sum of positive squares in 2 ways, for example, as 14787532816 + 5414899396 = 121604^2 + 73586^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11026613 + ... + 11028444.

It is an arithmetic number, because the mean of its divisors is an integer number (2959053615).

Almost surely, 2^20202432212 is an apocalyptic number.

It is an amenable number.

20202432212 is a deficient number, since it is larger than the sum of its proper divisors (15306211168).

20202432212 is a wasteful number, since it uses less digits than its factorization.

20202432212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22055290 (or 22055288 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20202432212 its reverse (21223420202), we get a palindrome (41425852414).

The spelling of 20202432212 in words is "twenty billion, two hundred two million, four hundred thirty-two thousand, two hundred twelve".